AV4-10292-11192 · OpenVSafe

Timeline

Registration Vaccinations Survey responses Call reports Cases without a report Call attempts Call successful Pregnancy survey

2021-04-04
Registered in v-safe
2021-04-04
Dose 1 — Pfizer-BioNTech
2021-04-04
Survey response — day 0, dose 1
MedDRA: Dizziness — Feeling: Good · Chills, Headache

Free text: Lightheaded, woozy. Very mild

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-05
Health check-in — days 1–6 daily, dose 1
Feeling: Fair · Site: Pain, Redness, Swelling · Fever · Headache, Muscle or body aches, Fatigue or tiredness

Adult check-in
2021-04-06
Health check-in — days 1–6 daily, dose 1
Feeling: Good · Headache

Adult check-in
2021-04-07
Health check-in — days 1–6 daily, dose 1
Feeling: Good · None

Adult check-in
2021-04-13
Health check-in — day 7, dose 1
Feeling: Good · None

Adult check-in
2021-04-22
Survey response — day 14, dose 1
MedDRA: Menstruation irregular — Feeling: Good

Free text: Missed period

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-04-28
Survey response — day 21, dose 1
MedDRA: Menstruation delayed — Feeling: Good

Free text: Missed period. 3 weeks late, not pregnant.

MedDRA releases: 2021-09,2023-04,2024-11 · check-in free text available
2021-05-01
Dose 2 — Pfizer-BioNTech
2021-05-02
Health check-in — days 1–6 daily, dose 2
Feeling: Fair · Site: Pain · Fever · Chills, Headache, Muscle or body aches, Fatigue or tiredness · Be unable to do your normal daily activities

Adult check-in
2021-05-03
Health check-in — days 1–6 daily, dose 2
Feeling: Fair · Site: Pain, Itching · Fever · Chills, Headache, Muscle or body aches, Fatigue or tiredness

Adult check-in
2021-05-04
Health check-in — days 1–6 daily, dose 2
Feeling: Good · Headache, Fatigue or tiredness

Adult check-in
2021-05-05
Health check-in — days 1–6 daily, dose 2
Feeling: Good · None

Adult check-in
2021-05-06
Health check-in — days 1–6 daily, dose 2
Feeling: Good · None

Adult check-in
2021-05-10
Health check-in — day 7, dose 2
Feeling: Good · None

Adult check-in
2021-05-17
Health check-in — day 14, dose 2
Feeling: Good

Adult check-in
2021-11-01
Survey response — 6 months, dose 2
MedDRA: Pregnancy — Feeling: Good

Free text: Pregnancy.

MedDRA releases: 2024-11 · check-in free text available

Vaccinations

Dose	Date	Manufacturer	Co-administered
1	2021-04-04	Pfizer-BioNTech
2	2021-05-01	Pfizer-BioNTech

Free text

Release 6 — day 0, dose 1

2021-04-04

Systemic reaction (other): Lightheaded, woozy. Very mild

Release 7 — day 14, dose 1

2021-04-22

Symptoms: Missed period

Release 8 — day 21, dose 1

2021-04-28

Symptoms: Missed period. 3 weeks late, not pregnant.

Release 10 — 6 months, dose 2

2021-11-01

Symptoms: Pregnancy.

Each entry is dated by the survey it was written in (the CDC re-sent the releases with survey dates in 2025); click a date to see that survey response. The CDC cut some text off at about 250 characters: symptoms in every release, and the other two fields in releases 9-12. Those entries are marked "cut off by CDC".

MedDRA terms by release

Field	Preferred term	2021-09	2023-04	2024-11
SD	Menstruation delayed	✓	✓	✓
SD	Menstruation irregular	✓	✓	✓
SD	Pregnancy	·	·	✓
SRO	Dizziness	✓	✓	✓

✓ active code · ○ coded but marked inactive · blank = not in that release